# Question: Is an M8 bolt 8mm wide?

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But, to answer your Q – an M8 bolt will fit in an 8mm hole.

## Is M8 and 8mm the same?

The defined diameter of metric bolts is actually slightly larger than the actual diameter of the bolt shaft. So an M8 bolt would have a shaft diameter that’s slightly under 8mm which means that the bolt should fit through an 8mm hole.

## How wide is an M8 bolt?

Dimensions for DIN931 Hex Head Bolt

Diameter (d) Pitch Across Flats (s)
M7 1.0mm 11mm
M8 1.25mm 13mm
M10 1.5mm 17mm
M12 1.75mm 19mm

## Are 8mm and 5/16 the same?

8mm = 5/16 inch. 9mm = almost 3/8 inch. 10mm = just over 3/8 inch. … 18mm = just over 11/16 inch.

## What size bolt takes a 8mm socket?

Size Chart

Bolt size Size Tolerance
12mm 12.04
5/16″UNF 1/2″ 12.74
M8 13mm 13.04
1/4″BSW 13.38

## What does M8 mean?

M8 means “Mate.” M8 uses the number 8 to replace the letters “ate.” Here are some other terms that make use of this efficiency: D8 (Date)

## Is M10 the same as 10mm?

If the size is M10 x 25, that would mean that the diameter is 10 mm. … The 25 indicated a length of 25 mm. A matching nut would be labeled M10, which also doesn’t require a thread pitch since it’s a course thread fastener.

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## What is bigger 5/16 or M8?

Well, quick answer is no. They are not the same and they are not interchangeable, although they can work under certain circumstances. The most important part is understanding the meaning of M8 and 5/16 to refer to the size of a metric screw or bolt, so then we can see why they aren’t the same thing!

## What is a 8 mm socket equivalent to?

Metric / Standard Wrench Conversion Chart

Bolt Diameter Metric Standard
1/8″ 8mm 5/16″
3/16″ 10mm 3/8″
1/4″ 11mm 7/16″
5/16″ 13mm 1/2″

## What does M8 1.25 mean?

For metric fasteners, you will see a M8 x 1.25 or an M8 x 1. For thread pitch, the distance between two points is the second number meaning the higher the number the fewer threads there are. This means the M8 x 1.25 is the coarse threading and the M8 x 1 is the fine thread.

## Is M8 a 13mm?

M8 (13mm) Nut & Bolt Cover Cap, Black Plastic Polyethylene

Also commonly known as nut protection caps, bolts caps and plastic caps.

## What is an 8mm screw?

The 8mm lead screws have 4 threads with a 2mm pitch which yields 8mm of linear travel of a lead screw nut for each rotation of the lead screw. … The 8mm diameter makes them compatible with many components such as 8mm pillow blocks and 8mm thrust bearings.